This art history video discussion examines Caspar David Friedrich's "Abbey among Oak Trees", 1809 or 1810, oil on canvas, 110.4 x 171 cm (Alte Nationalgalerie, Berlin).

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

This art history video discussion examines Caspar David Friedrich's "Monk by the Sea", 1808 or 1810, oil on canvas, 110 x 171.5 cm (Alte Nationalgalerie, Staatliche Museen zu Berlin).

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

This art history video discussion examines Caspar David Friedrich's "Solitary Tree (or Lone Tree)", 1822, oil on canvas, 55 x 71 cm (Alte Nationalgalerie, Berlin).

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

This art history video discussion examines Caspar David Friedrich's "Woman at a Window", 1822, oil on canvas, 44 x 73 cm (Alte Nationalgalerie, Berlin).

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

The CyberSquad tries to figure out how HackerŒë_í_Œ_ cyberfrog moves when its various buttons are pressed, in this video from Cyberchase.

In this video from Cyberchase, the CyberSquad must figure out the new input/output pattern on HackerŒë_í_Œ_ larger cyberfrog.

This video segment adapted from NOVA scienceNOW shows how the common wood frog freezes solid every winter, an adaptation that allows the organism to survive the cold winter.

This art history video discussion examines Henry Fuseli's "Titania and Bottom", c. 1790, oil on canvas, 2172 x 2756 mm (Tate Britain, London).

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

This video segment from Swift: Eyes through Time introduces and explains theories of the origin of gamma-ray bursts.

In this video segment from Garden Insects, learn about six varieties of spiders that live in one garden.

This art history video discussion examines The Paris Opera (1860-75) by architect Charles Garnier.

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

This art history video discussion examines Antoni Gaudi's Church of the Sagrada Familia or Basilica i Temple Expiatori de la Sagrada Familia Basilica, 1882- (consecrated 2, but still under construction), Barcelona, Spain.

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

This art history video discussion examines Paul Gauguin's "Nevermore", 1897, oil on canvas (Courtauld Gallery, London).

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

This art history video discussion examines Paul Gauguin's "The Red Cow", 1889, oil on canvas (LACMA).

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

When COVID-19 struck, school leaders raced to provide for their students’ needs. Gavin Smith of Fenway High School in Boston has not only supported students and their families throughout the pandemic, but also in the face of systemic marginalization and exclusion. In this episode, he shares his thoughts on shifting the narrative, breaking down barriers, and preparing young people for success.

Join us for a talk on gene cloning by Richard Sherwood, Assistant Professor of Medicine at Brigham and Women’s Hospital. Molecular cloning is essential to research in genetics and cell biology. Dr. Sherwood will share how his lab uses molecular cloning to power their work in genetics and CRISPR/Cas9 genome editing. Recorded live July 28, 2020.

In this video profile adapted from NOVA scienceNOW, learn about geneticist and rock musician Pardis Sabeti, whose innovative insights into natural selection demonstrated how beneficial mutations spread quickly through a population.

This video segment from NatureScene examines the landforms of Death Valley and how they came to be.

See how the geology of the North Dakota badlands has changed over time in this video segment from NatureScene, featuring the landscape at Theodore Roosevelt National Park.

This geometry lesson shows that that an inscribed angle is half of a central angle that subtends the same arc. [Geometry playlist: Lesson 24 of 31]

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.